XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

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Extrapolating performance on cheaper devices

I am in the final stages of developing a game with XNA and MonoGame and am planning to release it on Windows Phone and Android. I personally have a Blu Win HD LTE and my father and sister have a Nexus ...
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1answer
75 views

XNA Get model height in location

I am trying to make simple RTS game, and here is the problem I encountered. I need to get model height in any position. Model will not be rotated or scaled. For example, I have a terrain model like ...
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54 views

Is this a good way to “get rid of the sprite shakes” for my sprites that “target” other sprites? (XNA)

I'm relatively new to XNA, but very proficient with C#. I want to know if this is the best way to solve the sprite shaking problem. I had a sprite class that can target a place/other sprite on the map ...
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1answer
173 views

How can I efficiently render to multiple screens?

I know XNA is long dead, but I need it to update an old project. (I would have ported to MonoGame, but can't get multi-monitor support in it.) My game does the following: Wait for some objects ...
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1answer
69 views

Find x and y position with angles in 3D world

I'm actually creating a Tracking Camera (or 3rd person camera), and to do so, I used two angles (X and Y) for the rotation of the camera and an other floating value for the distance between the target ...
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1answer
518 views

Monogame shader not working

I'm trying to use this this tutorial in monogame, but the effect does not work, only renders a black screen. Everyhing by itself renders just fine, I looked at the render targets if they get drawn to, ...
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2answers
75 views

No output to screen using Multiple Render Targets and multisampling

I'm having a little trouble with XNA, but I doubt it's specific to the framework. I draw a few 3d models to 1 rendertarget with multisampling turned on, and it works fine. If I draw the same scene to ...
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1answer
56 views

Per pixel collision for scaled textures in Monogame Windows Phone 8

I have some serious trouble with pixel-collision in my game. I am using the Matrix Scale parameter in Spritebatch.Begin method, to scale the content for each device's resolution correctly. ...
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1answer
63 views

Collision Detection in Wander behaviour

briefly, this is the overall look and feel of my game: I have a player and I have an enemy in my map. i tried to learn collision from SaladRaider Youtube channel. collision using chasing method works ...
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2answers
368 views

Textures rendering upside down and small with Pixel Shader in Mono Game but not XNA

I'm new to HLSL, attempting to use MonoGame to do some simple post processing effects. Here is my HLSL file, taken from one of rbwhitaker's xna tutorials (I would post the link, but can't post more ...
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2answers
848 views

MonoGame 3.4 Content Pipeline Extension missing reference

I'm pretty new to MonoGame and XNA in general. So was wondering how I could import custom content and make it work on any platform. So I came across Content Pipeline Extensions wanted to do it like ...
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3answers
163 views

Game Slowed by Particles in XNA

I am developing an XNA game and am trying to improve the performance of the game by hiding objects that are not visible to the user. My first thought was to use a BoundingFrustum based on the ...
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2answers
42 views

Transparency temporarily lost from a rendertarget when drawn to for one frame

I have a transparent RenderTarget2D that I draw every frame. Before the first frame is drawn to the screen, an image is drawn to the render target. The image also contains some transparent pixels. ...
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0answers
51 views

Awesomium XNA vb.net

I'm building a game in XNA, using vb.net as my programming language. I'm trying to implement awesomium (http://www.awesomium.com) to create an html graphical user interface. But I am at a complete ...
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1answer
67 views

C# XNA - Can't Deserialize Element

So This is my XML file: <?xml version="1.0" encoding="utf-8" ?> <XnaContent xmlns:ns="Microsoft.Xna.Framework"> <!-- TODO: replace this Asset with your own XML asset data. --> ...
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2answers
138 views

XNA 4.0 - Bounding Boxes

So i'm kind of new to programming and im trying to check collision using bounding boxes. i'm currently stuck as to how to call my bounding box within my bounding box function as shown below public ...
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2answers
57 views

How to preserve generated textures in XNA?

My game generates small "minimaps" for each room you go to, which are rendered onto render targets then stored in textures and displayed on the world map. When the game is saved, each new minimap is ...
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1answer
249 views

Error on MonoGame Content Pipeline: Texture Importer Error

I just encountered this kind of error when using the MonoGame Content Pipeline and it's my first time to use it to convert png to xnb files (I use a stand alone app for converting files to xnb in the ...
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1answer
95 views

Different game resolutions on emulator and on a real device (which has the same resolution) on Windows Phone 8

I have a big problem with game resolution, when I'm running my game on emulator (which theoretically has the same resolution as my real windows phone device: 800 x 480). I'm making the game with ...
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1answer
74 views

How to transform a matrix's local space position into another's local space

When looking at an example to learn how to do per pixel collision, I came across this: // Calculate a matrix which transforms from A's local space into // world space and then into B's local space ...
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1answer
92 views

XNA4\ Monogame 3d Collision detection Help please

i have been trying to get 3d collision working for a while and i think(hope) you people can help me so for my project i have created a 'sprite3d' kinda class which is called ModelEntity and there ...
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1answer
150 views

Monogame / XNA - Is there a limit when drawing at far position (> 1 billion ? = strange behavior)

So I'm making an "unlimited" 2D Tile-Engine with procedural generation (simple noise based) in Monogame, and I'm loading/unloading Chunck by Chunck as you go along. It's working pretty well now. ...
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2answers
139 views

XNA - Efficient way to get pixel color from rendertarget2D

I'm stuck with a framerate perf down with getData from a rendertarget, what's your idea, what are the other options I can use ? I explain my problem : I'm making a board game, the objects or monsters ...
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1answer
118 views

Monogame Startup Memory Spike

I am currently porting a game from WP7 using XNA to WP8.1 using MonoGame. I have been putting considerable effort into optimizing my game to be under the 185MB memory limit for low-memory phones. I ...
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1answer
127 views

Reflections on moving water

I've been working on a simple game with semi-realistic water. I followed some tutorials to get: a flat water surface reflection and refraction (blended using fresnel term) ripples using a ...
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1answer
166 views

XNA 2D rotation Matrix offset/origin

I'm currently struggling with finding the offset for my original camera translation after I have applied a rotation for it. transform = Matrix.CreateScale(new Vector3(1, 0.75f, 1)) ...
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1answer
76 views

MonoGame - Left/Right Sided Collision Not Working

I'm working on a platformer as part of my course, the problem I have come across is Left/Right sided collision is not working very well. I already have bottom & top collision working. Here is an ...
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1answer
157 views

Monogame/XNA Making animations play once per click

I'm currently making a #gbjam entry and everything has been going smoothly up to this point. My issue being that I've implemented a shooting mechanic and along with it an animation to play as a shot ...
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1answer
31 views

Strange anomalies when using WinForms with XNA

I haven't seen any questions related to my issue, and this leads me to believe I'm missing something minor, however; The Problem I'm creating a game that is effectively launched from a windows form. ...
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1answer
294 views

Applying texture to a 3D object

I am trying to draw a 3D cube on the screen, using MonoGame. The cube was created in Blender and exported as an fbx file. The following is what the cube looks like in VS when opened in the editor: ...
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1answer
130 views

Background Scrolling like Zelda - A Link To The Past with XNA [duplicate]

i am trying to create a background that scrolls like the one in zelda - a link to the past. in other words: i have a bigger "screen" than the camera covers, so i need to scroll over it, when moving. ...
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1answer
79 views

Sound Effects on Monogame delay

I have recently added some Sound Effects to my game, but the problem that I am dealing with now, is that they have for a half of second delay, or more sometimes. Also, if I press repeatedly on that ...
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4answers
308 views

MonoGame/XNA 3D fbx model produces strange rendering output

The Problem: I have been making a model of a Steampunk-themed street light in Blender for use in my MonoGame/XNA Game. To test it I exported it to the *.fbx file format using the fbx export plugin ...
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2answers
254 views

Spaceship Shield Flare

I'm trying to implement a system whereby a "shield flare" will be shown whenever a projectile impacts the shield. The shield itself is one like in Star Wars, where it's more like a skin around the ...
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1answer
61 views

XNA Line to Rectangle Collision return first pixel

I have the following code: public static bool LineIntersectsRect(Point p1, Point p2, Rectangle r) { return LineIntersectsLine(p1, p2, new Point(r.X, r.Y), new Point(r.X + r.Width, ...
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2answers
312 views

How can I implement screen transitions like in the 2D Zelda games?

I want to implement a screen transition in the style of the 2D Legend of Zelda games (like this). That is, I'd the screen to remain static until the player moves to an exit, at which point the next ...
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0answers
40 views

Position is not what it should be when attaching fixture

In XNA / Farseer I have something like this: Body body = BodyFactory.CreateRectangle(world, 1f, 2f, 1f); FixtureFactory.AttachCircle(0.5f, 1f, body, new Vector2(0f, 1f)); I have been told that ...
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1answer
118 views

Drawing Farseer Fixtures

Is there any way how to draw a Polygon / Fixture from Farseer Physics with XNA? As I deform these polygons at runtime I can't take any texture from my Content folder, the texture must be generated at ...
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2answers
347 views

2D Collision Detection XNA C#

I've read all around the net, watched videos, tried things and in the end I can't make a decent platform collision detection. I've followed this tutorial. It didn't work out at 100%. My object stops ...
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1answer
128 views

Real-time movement client to server to client(s)

So the way that I tried to create a MMO like server communication was by sending strings to every-player containing information and making the client split the string. Example "John" , 42, 64 : ...
2
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1answer
156 views

How animated block in voxel engine?

In my voxel engine (XNA 4.0) I'm use a vertex buffer for the entire chunk and update it after the set block, changing block metadata or light level. This is not too frequent operation compared with ...
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5answers
202 views

Advice on how to store level design info? [closed]

I'm building a 2D tile-based puzzle game in C#, using Monogame. The game board is an 8x6 grid of tiles, each of which can contain a number of objects. Conveniently, the number of possibilities for ...
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1answer
94 views

Pass-through pixel shader not displaying properly

I'm new to shaders, HLSL and XNA in general. I'm trying to write a pass-through pixel shader but I'm experiencing some odd behaviour. I created a simple texture, shown below: Here's what I see when ...
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1answer
72 views

Sprites not showing (C# - XNA 4.0)

I'm following a tutorial from XNA GPA, but in my project, none of the sprites are loading. I've followed all of the instructions exactly, and the code works as expected when I copy it from my project ...
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1answer
80 views

Problem disposing content from a screen's content manager

I have a problem with my game. I am using multiple classes for different screens, for exemple: Main Menu is one screen, When playing is another, and so on... I decided to use multiple ...
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1answer
259 views

What's wrong with my HLSL depth shader?

I'm trying to render depth texture in XNA 4.0. I'm read few different tutorials several times and realy cannot understand what I'm doing wrong. Depth shader: float4x4 WVPMatrix; struct ...
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54 views

XNA 2D Tile Baseed Map Collision Messing Up On Inside Corners

I'm creating a 2D Over the head game and the collision system works fine for straight walls and outside corners although not for inside corners. The walls are done by each solid tile having a ...
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1answer
62 views

Mapping “Color” parameter from SpriteBatch.DrawString() function to a custom shader

I've recently found a nice way to render text in XNA with custom font AND custom shader. Here is the game code**: using System; using System.Collections.Generic; using System.Linq; using ...
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1answer
64 views

Reading messages from a certain client in Lidgren

I'm setting up a game with Lidgren, and I was wondering if there was a way to read a message from a certain client instead of just from the server as a whole, such as- //Why doesn't this exist? ...
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2answers
120 views

Draw transparency

I want to draw a terrain in a Texture2D at runtime in order to make collisions work with Farseer Physics later on. What I need is to make some parts of my original texture, which is just a colored ...